package com.visionet.waveletData.web.common.utils;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
 
import net.sf.json.JSONObject;
/**
 * 
* @ClassName: PeccancyQueryUtil
* @Description: 违章查询
* @author radish
* @see 2016年3月8日 下午5:35:32
*
 */
public class PeccancyQueryUtil {

	 public static void getRequest2(){
	        String result =null;
	        String url ="http://v.juhe.cn/wz/query";//请求接口地址
	        Map params = new HashMap();//请求参数
	            params.put("dtype","");//返回数据格式：json或xml或jsonp,默认json
	            params.put("callback","");//返回格式选择jsonp时，必须传递
	            params.put("key","czh16331");//你申请的key
	            params.put("city","1302");//城市代码 *
	            params.put("hphm"," ");//号牌号码 完整7位 ,需要utf8 urlencode*
	            params.put("hpzl","02");//号牌类型，默认02
	            params.put("engineno","");//发动机号 (根据城市接口中的参数填写)
	            params.put("classno","");//车架号 (根据城市接口中的参数填写)
	 
	        try {
	            result =net(url, params, "GET");
	            JSONObject object = JSONObject.fromObject(result);
	            if(object.getInt("error_code")==0){
	                System.out.println(object.get("result"));
	            }else{
	                System.out.println(object.get("error_code")+":"+object.get("reason"));
	            }
	        } catch (Exception e) {
	            e.printStackTrace();
	        }
	    }
	 /**
     *
     * @param strUrl 请求地址
     * @param params 请求参数
     * @param method 请求方法
     * @return  网络请求字符串
     * @throws Exception
     */
    public static String net(String strUrl, Map params,String method) throws Exception {
        HttpURLConnection conn = null;
        BufferedReader reader = null;
        String rs = null;
        try {
            StringBuffer sb = new StringBuffer();
            if(method==null || method.equals("GET")){
                strUrl = strUrl+"?"+urlencode(params);
            }
            URL url = new URL(strUrl);
            conn = (HttpURLConnection) url.openConnection();
            if(method==null || method.equals("GET")){
                conn.setRequestMethod("GET");
            }else{
                conn.setRequestMethod("POST");
                conn.setDoOutput(true);
            }
            conn.setRequestProperty("User-agent", "Mozilla/5.0 (Windows NT 6.3; WOW64; rv:44.0) Gecko/20100101 Firefox/44.0");
            conn.setUseCaches(false);
            conn.setConnectTimeout(60000);
            conn.setReadTimeout(60000);
            conn.setInstanceFollowRedirects(false);
            conn.connect();
            if (params!= null && method.equals("POST")) {
                try {
                    DataOutputStream out = new DataOutputStream(conn.getOutputStream());
                        out.writeBytes(urlencode(params));
                } catch (Exception e) {
                    // TODO: handle exception
                }
            }
            InputStream is = conn.getInputStream();
            reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            String strRead = null;
            while ((strRead = reader.readLine()) != null) {
                sb.append(strRead);
            }
            rs = sb.toString();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (reader != null) {
                reader.close();
            }
            if (conn != null) {
                conn.disconnect();
            }
        }
        return rs;
    }
  //将map型转为请求参数型
    public static String urlencode(Map<String,Object>data) {
        StringBuilder sb = new StringBuilder();
        for (Map.Entry i : data.entrySet()) {
            try {
                sb.append(i.getKey()).append("=").append(URLEncoder.encode(i.getValue()+"","UTF-8")).append("&");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
        }
        return sb.toString();
    }
    public static void main(String[] args) {
    	getRequest2();
    }
}
